After working weeks without paychecks, most Transportation Security Administration agents are finally getting some back pay. Lauren Bis, acting assistant secretary at the Department of Homeland Security, said most TSA agents received a "retroactive paycheck" on Monday that covered "pay periods 4 and 5." Bis added that the department is working to get pay for half of period 3. A TSA agent working in the southeast confirmed to Business Insider that he received his compensation for pay periods 4